EEU-TP1E222

Aluminum Electrolytic Capacitors: EEU-TP1E222 Application Field and Working Principle

Aluminum electrolytic capacitors, also known as electrolytic capacitors or electrolytic condensers, are polarized devices that store electrical energy in an electric field. They are composed of two aluminum foils with a thin oxide layer in the form of an insulator (electrolyte) in between, a separator, and an electrolyte. This device is used in a wide variety of applications, including power supplies, oscillators, amplifiers, etc. The EEU-TP1E222 is an aluminum electrolytic capacitor manufactured by Panasonic.

Application Field

The EEU-TP1E222 aluminum electrolytic capacitor is widely used in various application fields, such as linear power supplies, AC-DC converters, switching power supplies, oscillator circuits, telecommunications, industrial equipment, etc. It has a wide temperature range from -40℃ to +105℃ and is rated for temperatures up to +125℃.

In addition, it has a long life expectancy. The average life expectancy of the EEU-TP1E222 when used in a commercial grade buck converter circuit is 5,000 hours at +105℃. It also has excellent heat resistance and vibration resistanc, which allows it to be used in harsh environment conditions. Additionally, the EEU-TP1E222 offers low risk in cases of short circuit as well as high surge voltage withstanding capability, making it suitable for applications requiring high reliability.

Working Principle

The working principle of the EEU-TP1E222 aluminum electrolytic capacitor is based on the principle of electrolysis. The core consists of two aluminum foils that are separated by a dielectric film containing a viscous electrolyte. When a voltage is applied to the capacitor, the oxidized layer on one of the aluminum plates begins to release anions or positively-charged ions. This causes a layer of positive ions to form on the surface of the aluminum foil. The positively-charged ions are attracted to the negatively-charged surface of the other aluminum foil, creating a close-knit bond between the two foils, thus creating a strong capacitive effect.

The EEU-TP1E222 aluminum electrolytic capacitor also features an over-pressure protection device that enables it to continue operating even when the applied voltage exceeds the rated voltage. This protection device works by limiting the current flow through the capacitor, which effectively reduces the stress applied to the capacitor.

The EEU-TP1E222 aluminum electrolytic capacitor is an extremely reliable and efficient capacitor that can be used in a variety of applications. Its wide temperature range and long life expectancy make it an ideal choice for applications requiring high reliability and performance.